Antenna; D Mn-100/Mn-100L Antenna Matchers; D At-130 Automatic Antenna Tuner; D Non-Icom Tuner - Icom IC-M710 Instruction Manual

■ Antenna

Most stations operate with a whip or long wire (insu-
lated backstay) antenna. However, these antennas
cannot be connected directly to the transceiver, since
their impedance may not be matched with the trans-
ceiver antenna connector.

D MN-100/MN-100L ANTENNA MATCHERS

D AT-130 AUTOMATIC ANTENNA TUNER

IC-M710
[KEY]
[13.6]
Coaxial cable
*For the AT-130, the [GND] terminal can be used inside of the [E] terminal.

D Non-Icom tuner

Some non-Icom tuners may be used with the IC-
M710. Please consult your dealer or marina if you
wish to use one. The following internal settings may
be required for connection.
Supplies 8 V when pushing
[TUNE].
Accepts "LOW" as an an-
swer back signal.
Antenna wire
MN-100/MN-100L
[START]
[E]
Grounded when pushing [TUNE].
(used for AT-130—default)
S9
(Start port level)
Accepts "HIGH" as an answer back signal.
(used for AT-130—default)
S11
(Key port input)
CONNECTIONS AND INSTALLATION
Even with a 50 ø matched antenna, all marine bands
may not be fully usable. The following antenna
matcher, or antenna tuner may be helpful for proper
antenna installation.
AT-130
[E] (AT-130 only*)
[13.6]
[GND]
[START]
[KEY]
Control cable (sold separately)
An optional OPC-566 is available
7
To antenna element
20